• 2 hamburger buns, cut sides toasted• 2 thin slices red onion• 2 slices vine-ripened tomatoesMake Mayonnaise:1. In a small bowl whisk together mayonnaise ingredients.Make Salmon Burgers:1. Discard any bones in salmon and finely chop salmon by hand. In a bowl stir together salmon, mustard, gingerroot, soy sauce, and salt and pepper to taste and form into two 3-inch patties.2. In a non-stick skillet (I use cast-iron) heat oil over moderate heat until hot but not smoking and sauté patties 4 minutes on each side, or until just cooked through.3. Transfer salmon burgers to buns and top with mayonnaise, onion, and tomato.